{"id":2753,"hash":"74f1f95af04b945ffea2e799a5ac170a22975d27d42a7cc6a26f76553bc9f677","degree":1399,"score":0.9785111563527366,"score_delta":6.17284001691587e-14,"log2_m":16,"evaluator":"ladder-fft/2","status":"verified","generator":null,"submitter":null,"user_id":2,"note":"Periodic quadratic-character segment p=1291, shift=268, exact length 1400; gradient-screened flip ascent (phase-field projection, flatopt)","created_at":"2026-10-06T22:54:23Z","submitter_name":"David Renshaw"}